LCM of 23 45 is

Mathematics

ScanSolve AI Answer

Step-by-step solution

4 steps

To find the Least Common Multiple (LCM) of 23 and 45, we can use the prime factorization method.

  1. Find the prime factorization of each number.

    23 is a prime number, so its prime factorization is just 23.
    45 = 5 × 9 = 5 × 3 × 3 = 3² × 5.

  2. Identify all unique prime factors from both factorizations and take the highest power of each.

    The unique prime factors are 3, 5, and 23.
    The highest power of 3 is 3².
    The highest power of 5 is 5¹.
    The highest power of 23 is 23¹.

  3. Multiply these highest powers together to find the LCM.

    LCM(23, 45) = 3² × 5 × 23
    LCM(23, 45) = 9 × 5 × 23
    LCM(23, 45) = 45 × 23

  4. Calculate the final product.

    45 × 23 = 1035

    The LCM of 23 and 45 is 1035.

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